Hi all,
I'm planning a renovation in queensland, part of which is window replacement. Every glass company has a different recommendation which, oddly, happens to be the product they sell.
Can anyone help with a clear description of what's the most energy efficient window (heat gain & loss) for a West facing window (double glaze, low E, etc etc). I don't want blinds, curtains or external shading as this would block a great view over a lake.


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